| U17 Friendlies 2019 - Appearances as Referee |  |
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| 08/09/2019 | Poland | - | Switzerland | 4:1 | 2 | - | 1 |
| U17 Friendlies 2019 - Appearances as Referee | |
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| 08/09/2019 | Poland | - | Switzerland | 4:1 | 2 | - | 1 |
| Complete name: | Konrad Kiełczewski |
| Born: | |
| Place of birth: |
Poland |
| Nationality: |
Poland |